Event: Mini League

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Opponent Rating Result
Roger Bray 1546 ½ - ½
Aryan Shankar 1233 1 - 0
Matthew Blackwell 1300 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1493 = (4079 + 400 * (1 - 0)) / 3)

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